April Lee Farrell, M.D.
Dermatology Physician · Onalaska, WI
April Lee Farrell, M.D. is a dermatology physician with a practice address in Onalaska, Wisconsin, and NPI 1144386335, issued on Dec 29, 2006. Check the license (Wisconsin 65411, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- April Lee Farrell
- Credential
- M.D.
- Primary taxonomy
- Dermatology Physician 207N00000X
- License numbers
- 65411 WI
C56046 CA
47198 MN
Self-reported in NPPES; status is on the state search - Practice location
- 3111 Gundersen Dr, Onalaska, WI 54650
- Phone
- (608) 775-8100
- Enumerated
- Dec 29, 2006
- Record last updated
- May 18, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20060227000165); accepts Medicare assignment
- Medical or professional school
- University Of Minnesota Medical School, 2002
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 325 in Wisconsin → Look up another NPI →
Also registered at 3111 Gundersen Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jeffrey Addison, D.O.Internal Medicine Physician1295268571
- Sarah Almonroeder, PA-CMedical Physician Assistant1598049322
- Joseph Angell, ATCAthletic Trainer1578556056
- Kellie Backman, APNPFamily Nurse Practitioner1639171895
- Janet Bahr, NPAdult Health Nurse Practitioner1619163276
- Kelley Bahr, MDFamily Medicine Physician1366441297
Verify April Lee Farrell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 65411Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% more Medicare Part D claims than the average dermatology physician in 2024
1,372 Medicare Part D claims for 438 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Ketoconazole185 claims
- Clobetasol Propionate115 claims
- Doxycycline Hyclate111 claims
- Fluorouracil94 claims
- Triamcinolone Acetonide64 claims
- Hydroxychloroquine Sulfate48 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $148.36
2 payments; by number, the most common kind was education; the largest payer was Janssen Biotech, Inc. The 10,250 providers of this specialty with any payment received $8,544.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Gundersen Clinic LtdOnalaska, WI
- Gundersen Lutheran Medical Center IncWinona, MN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
April Lee Farrell among 325 dermatology physician records in Wisconsin
April Lee Farrell, M.D. is one of 325 dermatology physician records with a practice address in Wisconsin. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 57% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2002 · median 2009 among the 228 with a school on file
- Record last updated2016 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
11 dermatology physician records list a practice address in Onalaska
They are 11 of the 568 NPPES records with a practice address in Onalaska, and 325 dermatology physician records in Wisconsin.
All 325 in Wisconsin → Every provider in Onalaska → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- James Baumgaertner, MDOnalaska, WI 546501942204839
- Kevin Boyd, M.D.Onalaska, WI 546501215162417
- Rebecca Danhof, M.D.Onalaska, WI 546501598021768
- Thomas Hogarty, M.D.Onalaska, WI 546501790761682
- Karl Noll, MDOnalaska, WI 546501972505261
- Abigail Taub, M.D.Onalaska, WI 546501417222605
- Hans Von Weiss, DOOnalaska, WI 546501689667313
- Stephen Webster, MDOnalaska, WI 546501750385498
Common questions
What is April Lee Farrell, M.D.'s NPI number?
April Lee Farrell, M.D.'s National Provider Identifier (NPI) is 1144386335, issued on Dec 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is April Lee Farrell, M.D. located?
The NPPES record lists a practice address at 3111 Gundersen Dr, Onalaska, WI, 54650. Phone: (608) 775-8100. Providers update this record themselves, so call before visiting.
How can I verify April Lee Farrell, M.D.'s license?
NPPES lists Wisconsin license number 65411, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does April Lee Farrell, M.D. prescribe under Medicare Part D?
In 2024, April Lee Farrell, M.D. had 1,372 Medicare Part D claims for 438 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.